package symboltable;

public class Symbol {
        private String name;

        private Symbol(String n) {
                name = n;
        }

        private static java.util.Dictionary dict = new java.util.Hashtable();

        public String toString() {
                return name;
        }

        public static Symbol symbol(String n) {
                String u = n.intern();
                Symbol s = (Symbol) dict.get(u);
                if (s == null) {
                        s = new Symbol(u);
                        dict.put(u, s);
                }
                return s;
        }
}